PT-2021-12036 · Linux Pam · Linux-Pam

Matthias Gerstner · Published 2021-06-22 · Updated 2021-06-29 · CVE-2020-36394

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Linux-PAM versions prior to 2020-05-29

Description: The issue allows local attackers to set their quota on an arbitrary filesystem, specifically in situations where the attacker's home directory is a FUSE filesystem mounted under /home. This is due to a problem in the pam setquota module.

Recommendations: For versions prior to 2020-05-29, update to a version released after 2020-05-29 to resolve the issue.

Exploit

Fix

Related Identifiers

CVE-2020-36394

Affected Products

Linux-Pam

References · 7

• 🔥 https://seclists.org/oss-sec/2020/q2/169 · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-36394 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36394 · Security Note
• https://ubuntu.com/security/CVE-2020-36394 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-36394 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-36394 · Security Note
• https://github.com/linux-pam/linux-pam/commit/27ded8954a1235bb65ffc9c730ae5a50b1dfed61 · Note